'Discover' is a new monthly series curated by your friends at American Songwriter and ReverbNation which promises to bring you the best up-and-coming artists from NYC and beyond. Our second NYC edition goes down September 13th at Rockwood Music Hall featuring Leif Vollebekk, BETS, and B.R. Mackie. This event is FREE with RSVP at doNYC. #DiscoverTuesday's